Finding the Third Proportional to 48,784 and 72,763

Step by Step Solution

1. Step 1: Write the proportion equation
   48,784 : 72,763 = 72,763 : x
2. Step 2: Convert to fraction form
   48,784/72,763 = 72,763/x
3. Step 3: Cross multiply
   48,784x = 72,763 × 72,763
4. Step 4: Simplify right side
   48,784x = 5,294,454,169
5. Step 5: Solve for x
   x = 5,294,454,169/48,784
6. Step 6: Final answer
   x = 108,528.50